1366 - Incorrect integer value: '' for column `abtecsho_shop`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '1q1d2g97r977oca1fohasnv9o4', '216.73.216.1', '1756807328', '1756807328', '/')

[XT SQL Error]